Bicycle Archive · Specification report

2004 Iron Horse Sinister Sport

Velopedia Archive ID 31891

Overview

Model year	2004
Brand	Iron Horse
Model	Sinister Sport
Bicycle type	Mountain bike, front & rear suspension
Archive ID	31891
Original MSRP	$549.99
Colors	Electric Blue, Matte Gold
Sizes	17", 19", 21"

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum
Fork	Suntour XCP-75, 100mm travel
Rear shock	RST 22

Drivetrain

Component group	Mountain Mix
Shifters	Shimano EZ Fire Plus
Front derailleur	Shimano Deore
Rear derailleur	Shimano Acera
Crankset	TruVativ X-Flow, 24/34/42 teeth
Bottom bracket	Semi-cartridge
Rear cogs	8-speed, 11 - 32 teeth
Chain	Shimano HG-73, 1/2 x 3/32"
Pedals	Aluminum platform

Brakes

Brakes	Tektro 10 Disc w/160mm rotor brakes, Shimano ST-EF35 levers

Cockpit & contact points

Headset	1 1/2" ahead
Handlebar	Alloy
Handlebar extensions	N/A
Stem	Alloy
Saddle	WTB Pure V Race Custom
Seatpost	Alloy micro-adjust

Wheels & tires

Hubs	Front: alloy disc, Rear: aluminum disc
Rims	WTB SpeedDisc, 32-hole
Spokes	Stainless steel, 14ga. (2.0mm) Black straight gauge
Front tire	26 x 2.1" WTB MotoRaptor
Wheel size	26" wheels

Geometry · Legacy reference

Head-tube angle	70°
Seat-tube angle	70°
Chainstay / rear center	429.3 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 1, 2026.